three vertical wires in the same plane are suspended from horizontal support. they are all in the same length and carry a load by means of rigid cross bar at their lower ends.one end is of copper
What is your question?
From your description, it seems like you are referring to a setup of three vertical wires suspended from a horizontal support, with each wire being of the same length and carrying a load using a rigid crossbar at their lower ends. Additionally, one end of the wires is made of copper.
I assume you want to understand how this setup works or have a specific question related to it. If you could provide more details or specify your question, I would be happy to help you.